As of the 2000 census, there are 374 people, 176 households, and 127 families residing in the Peeples valley area. The population density is 9.6/km² (24.9/mi²). There are 230 housing units at an average density of 5.9/km² (15.3/mi²).

There are 176 households out of which 14.2% have children under the age of 18 living with them, 64.2% are married couples living together, 6.3% have a female householder with no husband present, and 27.3% are non-families. 22.7% of all households are made up of individuals and 11.9% have someone living alone who is 65 years of age or older. The average household size is 2.13 and the average family size is 2.42.
The population is spread out with 14.4% under the age of 18, 2.4% from 18 to 24, 17.6% from 25 to 44, 31.8% from 45 to 64, and 33.7% who are 65 years of age or older. The median age is 57 years. For every 100 females there are 92.8 males. For every 100 females age 18 and over, there are 90.5 males.
The median income for a household is $24,861, and the median income for a family is $34,107. Males have a median income of $41,250 versus $18,750 for females. The per capita income is $15,353. 9.7% of the population and 7.0% of families are below the poverty line. Out of the total population, 0.0% of those under the age of 18 and 14.4% of those 65 and older are living below the poverty line.